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Explain CNT in the respects of QBE ? CNT: It is one of the aggregation commands given in QBE. It is used to identify number of tuples
how to prepare a data dictionary for online examination system for certified courses?
What is E-R model? This data model is based on real world that having of basic objects called entities and of relationship between these objects. Entities are explained in a da
What are the different approaches for database design? There are two basic approaches for database design which are as follows: Attribute driven: It compiles a list of att
Example : Create a sequence named SEQSS that starts at 105, has a step of 1 and can take maximum value as 2000. CREATE SEQUENCE SEQSS START WITH 105 INCREMENT BY 1 MAX VA
Need 2 projects completed in 3NF format.
What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
please i request for your assistance in developing a case-based online phone repair
WHAT IS MEANT BY E-R MODEL
explain exhausitively the problems associated with er diagrams with ellustrations
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